linux-kernel - [PATCH] x86/events/amd/iommu: make iommu_pmu const and _

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Date:   Tue, 19 Sep 2017 16:40:43 +0530
From:   Bhumika Goyal <bhumirks@...il.com>
To:     julia.lawall@...6.fr, tglx@...utronix.de, mingo@...hat.com,
        hpa@...or.com, x86@...nel.org, linux-kernel@...r.kernel.org
Cc:     Bhumika Goyal <bhumirks@...il.com>
Subject: [PATCH] x86/events/amd/iommu: make iommu_pmu const and __initconst

Make this const as it is only used during a copy operation. Also, make
it __initconst as it is only used during the init phase and after this
it is not referenced anywhere.

Signed-off-by: Bhumika Goyal <bhumirks@...il.com>
---
 arch/x86/events/amd/iommu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/events/amd/iommu.c b/arch/x86/events/amd/iommu.c
index 3641e24..38b5d41 100644
--- a/arch/x86/events/amd/iommu.c
+++ b/arch/x86/events/amd/iommu.c
@@ -405,7 +405,7 @@ static __init int _init_events_attrs(void)
 	NULL,
 };
 
-static struct pmu iommu_pmu = {
+static const struct pmu iommu_pmu __initconst = {
 	.event_init	= perf_iommu_event_init,
 	.add		= perf_iommu_add,
 	.del		= perf_iommu_del,
-- 
1.9.1